Home / 20,331.18-30,496.41-8,019.18

Finding the Fourth Proportional to 20,331.18, 30,496.41 and 8,019.18

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Solution

The fourth proportional to 20,331.18, 30,496.41 and 8,019.18 is: 12,028.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,331.18 : 30,496.41 = 8,019.18 : x
  2. Step 2: Convert to fraction form
    20,331.18/30,496.41 = 8,019.18/x
  3. Step 3: Cross multiply
    20,331.18x = 30,496.41 × 8,019.18
  4. Step 4: Simplify right side
    20,331.18x = 244,556,201.14
  5. Step 5: Solve for x
    x = 244,556,201.14/20,331.18
  6. Step 6: Final answer
    x = 12,028.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.